Cook pasta according to package directions. In a large saucepan, over medium, heat, cook bacon until crisp; remove and crumble. Drain, reserving 3 tablespoons drippings. Set aside. In same saucepan, add chicken and onion; cook and stir until chicken is tender. Stir in flour until smooth. Gradually stir in milk then boullion, basil and pepper. Cook and stir until slightly thickened and bubbly. Stir in pasta, corn and bacon; heat through. Serve imemediately.